Rene Furterer’s Astera Fresh Soothing Freshness Shampoo helps calm irritated scalps with a rich, creamy lather and a fast ice-cube cooling sensation that eases discomfort on contact. Powered by Cooling Mint and Eucalyptus essential oils plus Soothing Asteraceae extract, it targets irritation and itching, with 95% reporting instant relief and 100% noting a clear decrease while staying safe for color-treated hair and dermatologist tested. Its vegan, biodegradable formula is 85% natural-origin and free from parabens, silicones, and sulfates, and it can be used as a pre-shampoo step or as a no-rinse boost for a cleaner, fresher-feeling scalp between washes. Size:16.9oz